JP7393566B2 - Parts replenishment work support device, parts replenishment work support method, parts replenishment work support program, and recording medium - Google Patents

Description

This invention relates to a board production system that produces boards on which components are mounted using a component mounter that mounts mounted components onto a board using a mounting head. Concerning technology to support replenishment operations.

2. Description of the Related Art Conventionally, there has been known a component mounting machine that includes a plurality of feeders and uses a mounting head to mount components supplied by each feeder onto a substrate. For example, when the feeder is a tape feeder, a tape containing a plurality of components is attached to the feeder, and the feeder supplies the attached components in the feeder. In such a component mounting machine, as described in Patent Document 1, as the number of components mounted on the feeder decreases as the mounting of components progresses, it is necessary for an operator to mount components on the feeder.

WO2018/135446 publication

It is necessary for an operator to periodically repeat a parts replenishment operation for mounting parts on such a feeder. At this time, the longer the cycle (replenishment cycle) in which the parts replenishment work is performed, the more the work burden on the worker is reduced. However, if the replenishment cycle is too long, a component shortage error will occur during that period. Therefore, it is preferable that the replenishment cycle be as long as possible without causing a component shortage error. Further, it is preferable that the number of parts targeted for the parts replenishment work (the number of parts to be supplied) falls within a certain range in each parts replenishment work. However, it is necessary to ensure in each component replenishment operation that the number of replenishable parts is such that no component shortage error occurs during the replenishment cycle. Due to these circumstances, it has been difficult for the worker to easily determine whether the replenishment cycle and the number of replenishment items are appropriate for the worker's work efficiency, and it has been difficult to improve the work efficiency.

The present invention has been made in view of the above-mentioned problems, and aims to provide a technology that can easily determine the appropriateness of the replenishment cycle and number of parts to be replenished in a parts replenishment operation, thereby making it possible to improve work efficiency.

The component replenishment work support device according to the present invention produces a board on which components are mounted by operating a component mounting machine that supplies components mounted on a feeder and mounts them on a board with a mounting head according to a production plan. A storage unit that stores the production plan used in the board production system, a replenishment cycle that is the cycle at which workers perform parts replenishment work to mount parts on feeders, and a storage unit that stores the production plan used in the board production system. If parts replenishment work is performed under replenishment conditions that include the number of replenishment items, check whether a component out-of-parts error occurs in the board production system, in which the parts mounted on the feeder run out and the feeder stops supplying the parts. and a calculation unit that executes suitability prediction based on the production plan.

The component replenishment work support method according to the present invention operates a component mounting machine that supplies components mounted on a feeder and mounts them on a board with a mounting head according to a production plan, thereby producing a board on which components are mounted. The process of acquiring the production plan used in the board production system to be used, the replenishment cycle that is the cycle in which workers perform parts replenishment work to mount parts on feeders, and the number of parts targeted for parts replenishment work. When parts replenishment work is performed under replenishment conditions that include the number of replenished parts, whether or not a parts out error occurs in the board production system, in which the parts mounted on the feeder run out and parts supply by the feeder is interrupted. and a step of calculating suitability prediction based on the plan.

The component replenishment work support program according to the present invention produces a board on which components are mounted by operating a component mounting machine that supplies components mounted on a feeder and mounts them on a board with a mounting head according to a production plan. The process of acquiring the production plan used in the board production system to be used, the replenishment cycle that is the cycle in which workers perform parts replenishment work to mount parts on feeders, and the number of parts targeted for parts replenishment work. When parts replenishment work is performed under replenishment conditions that include the number of replenished parts, whether or not a parts out error occurs in the board production system, in which the parts mounted on the feeder run out and parts supply by the feeder is interrupted. A computer is caused to execute a step of executing suitability prediction based on the plan.

A recording medium according to the present invention records the above-mentioned parts supply work support program in a computer-readable manner.

In the present invention (parts replenishment work support device, parts replenishment work support method, parts replenishment work support program, and recording medium) configured as described above, the cycle of parts replenishment work by an operator for mounting parts on a feeder is Predicts based on the production plan whether a parts out-of-stock error will occur when parts replenishment work is executed under replenishment conditions that include a replenishment period, which is the number of parts to be supplied, and a replenishment quantity, which is the number of parts targeted for the parts replenishment work. The suitability prediction is performed. Therefore, based on the result of this suitability prediction, it can be determined whether the replenishment period and number of parts replenished in the parts replenishment work are appropriate. In this way, it is possible to easily judge whether or not the replenishment period and number of parts to be replenished in the replenishment work is useful for improving work efficiency.

Further, the calculation unit configures the component replenishment work support device to perform suitability prediction based on the results of executing a simulation that calculates the state of the component mounter operating according to the production plan every time a predetermined time elapses. Good too. With this configuration, suitability prediction can be performed in accordance with the state of the component mounting machine that changes over time.

In addition, the calculation unit calculates the required work time required for parts replenishment work by simulation in order to avoid parts shortage errors, and executes the parts replenishment work at the replenishment cycle indicated by the replenishment conditions until the required work time is reached. The parts replenishment work support device may be configured to perform suitability prediction by determining whether or not the parts replenishment work can be performed at the specified time. With this configuration, it is possible to determine the required work time for component replenishment work in accordance with the state of the component mounting machine that changes over time, and to accurately predict suitability.

Furthermore, in the simulation, the parts replenishment work support device may be configured to update the required work time according to the number of parts to be supplied by the parts replenishment work each time the parts replenishment work is performed. With this configuration, even if there is a fluctuation in the number of parts to be replenished due to parts replenishment work, the required time for the work can be accurately determined and suitability prediction can be performed.

In addition, the calculation unit calculates appropriate replenishment conditions that do not cause out-of-parts errors from among the multiple replenishment conditions by performing suitability prediction under each of multiple replenishment conditions with different combinations of replenishment cycles and number of replenishment items. Additionally, a parts replenishment work support device may be configured. In such a configuration, an appropriate replenishment condition is determined from among a plurality of replenishment conditions (replenishment cycle, number of replenishment items). Therefore, by performing the parts replenishment work according to these appropriate replenishment conditions, it is possible to effectively prevent the occurrence of parts shortage errors.

Further, the calculation unit generates a plurality of replenishment conditions by changing the replenishment cycle within a range within which the replenishment cycle does not exceed the maximum replenishment cycle, and changing the replenishment number within a range within which the replenishment number does not exceed the maximum replenishment number. The parts replenishment work support device may be configured as follows. With this configuration, each of the replenishment period and the number of replenishments can be kept within appropriate ranges.

Further, the calculation unit may configure the parts replenishment work support device to select, from among the appropriate replenishment conditions, an appropriate replenishment condition that satisfies the condition that the replenishment cycle is an integral multiple of a predetermined set time. In such a configuration, by setting the predetermined set time to, for example, 10 minutes, 20 minutes, or 30 minutes, parts supply work can be performed at well-defined supply cycles.

Further, the calculation unit may configure the parts supply work support device so that the time input by the operator is set to a predetermined set time. With this configuration, it becomes possible for the operator to carry out parts replenishment work at a replenishment cycle that is efficient for him/herself.

The parts replenishment work support device may further include a user interface that displays information to the operator, and the calculation unit may display appropriate replenishment conditions on the user interface. With this configuration, the operator can easily check the appropriate replenishment conditions by viewing the user interface display.

In addition, if there are multiple appropriate replenishment conditions, the calculation unit selects the appropriate replenishment condition with the longest replenishment period from among the multiple appropriate replenishment conditions as the recommended replenishment condition, and displays the recommended replenishment condition in the user interface. The parts replenishment work support device may be configured to display the following. With this configuration, it is possible to reduce the frequency of parts supply work and reduce the work burden on the operator.

Further, the calculation unit may configure the parts replenishment work support device so that the plurality of replenishment conditions are displayed on the user interface in association with the respective suitability prediction results. With this configuration, the operator can easily check whether each replenishment condition is appropriate or not by viewing the display on the user interface.

In addition, the user interface accepts a selection operation by the operator, and the calculation unit calculates the suitability prediction result of the replenishment condition selected by the operator from among the plurality of replenishment conditions displayed on the user interface. In this case, the parts replenishment work support device may be configured to display the occurrence status of the out-of-parts error on the user interface. With this configuration, it is possible to easily check the occurrence of a component out-of-product error when a component replenishment operation is executed under the selected replenishment conditions by displaying the user interface.

In addition, in a component mounting machine, a plurality of feeders are arranged to supply the components stored in the mounted component storage member, and the components supplied by the feeder from the component storage member are mounted on the board by the mounting head, and the components are supplied. The parts replenishment work support device may be configured such that the work is performed by an operator to attach the parts storage member to the feeder. With this configuration, it is possible to improve the efficiency of the work (component supply work) for mounting component storage members on each of the plurality of feeders. Furthermore, in this configuration, various specific operations illustrated below can be executed in the parts supply operation.

In other words, the plurality of feeders include a first type feeder to which a plurality of component storage members can be attached, and the first type feeder has no components stored in one of the plurality of component storage members. Then, the supply of parts to be stored in other parts storage members is started, and in the parts replenishment work, when the parts stored in one parts storage member are exhausted, a new parts storage member is attached to the first type feeder. The parts supply work support device may be configured to include a preset work.

In addition, the plurality of feeders include a second type feeder to which a single component storage member can be attached, and the component replenishment work involves removing the component storage member scheduled to be attached to the second type feeder from the parts storage member storage. The component replenishment work support device may be configured to include a temporary placement operation in which the components are taken out and transported to a temporary storage shelf located closer to the component mounter than the storage.

In addition, the component mounting machine is provided with a plurality of feeder attachment parts to which feeders can be attached, and the feeders feed components from the component storage member while being attached to the feeder attachment parts, and perform component replenishment work. , when the feeder attached to one of the plurality of feeder attachment sections is supplying parts from the component storage member, the component storage member of the same type as the component storage member attached to the feeder of the first feeder attachment section The parts replenishment work support device may be configured to include a feeder mounting operation in which a feeder to which a component storage member for storing parts is mounted is attached to another feeder mounting portion different from one feeder mounting portion.

In addition, parts replenishment work involves removing the feeder from one feeder mounting part after the parts storage member attached to the feeder in one feeder mounting part runs out of parts, and then moving the feeder in the other feeder mounting part to the first feeder. The parts replenishment work support device may be configured to include the work of replacing the feeder to be attached to the attachment part.

According to the present invention, it is possible to easily determine whether the replenishment period and number of parts to be replenished in the replenishment work is useful for improving work efficiency.

FIG. 1 is a block diagram showing an example of a board production system that produces boards on which components are mounted. FIG. 2 is a plan view schematically showing an example of a component mounting machine included in the board production system. FIG. 2 is a side view schematically showing an example of the configuration and operation of a tape feeder. FIG. 3 is a diagram schematically showing an example of a component supply reel and a reel holder that holds the reel. The figure which shows an example of the simulation parameter required for execution of simulation. The figure which shows an example of the calculation content of parts remaining number simulation. The figure which shows an example of the parts out of stock chart which shows the timing when a parts out of stock error occurs. FIG. 3 is a diagram showing an example of a time period during which wearing work is possible. The figure which shows an example of the execution result of suitability prediction. The figure which shows an example of the operation screen displayed on the display of a user interface. The figure which shows an example of the operation screen displayed on the display of a user interface. The figure which shows an example of the operation screen displayed on the display of a user interface. The figure which shows an example of the operation screen displayed on the display of a user interface. 5 is a flowchart showing the contents executed by the calculation unit according to the parts supply work support program. 7 is a flowchart showing a modification of the content executed by the calculation unit according to the parts supply work support program. FIG. 3 is a block diagram showing a modified example of a board production system that produces boards on which components are mounted. A diagram schematically showing work in alternate supply.

FIG. 1 is a block diagram showing an example of a board production system that produces boards on which components are mounted. The board production system 1 includes a plurality of component mounting machines 2 (three in FIG. 1) arranged in series, and sequentially transports the board B (FIG. 2) to the plurality of component mounting machines 2 while mounting each component. Board production is performed by mounting the component P (FIG. 2) on the board B using the machine 2. One production line 11 is constituted by a plurality of component mounting machines 2 arranged in series in this manner. However, the number of production lines 11 provided in the board production system 1 is not limited to one, and may be plural. This board production system 1 includes a parts storage 41, and parts P taken out from the parts storage 41 and mounted on the component mounting machine 2 are mounted on the board B.

Furthermore, the board production system 1 includes a server computer 9, and this server computer 9 controls the mounting of the components P onto the board B by each component mounting machine 2. In particular, the server computer 9 of this embodiment can support a component replenishment work by an operator for mounting components P on the component mounting machine 2 (specifically, a tape feeder F described later). This server computer 9 includes a calculation unit 91 which is a processor including a CPU (Central Processing Unit) and the like, and a storage unit 93 which is a storage device including a memory, an HDD (Hard Disk Drive), and the like.

The storage unit 93 stores a production plan 931 and board data 932. As shown in FIG. 5 later, the production plan 931 indicates the type of board to be produced Bk(n) and the number of boards Bn(n) (n=1, 2, 3,...), and the board data 932 indicates that the component P is The type and number of parts P required to produce one mounted board B are shown for each board type Bk(n). Furthermore, the storage unit 93 stores a parts supply work support program 933. This parts replenishment work support program 933 defines calculations for supporting parts replenishment work by an operator.

Then, the calculation unit 91 controls each component mounting machine 2 based on the production plan 931 and board data 932 to produce a predetermined number Bn(n) of boards of each board type Bk(n). Further, the calculation unit 91 supports the worker's parts supply work by executing calculations specified in the parts supply work support program 932.

The server computer 9 also includes a user interface 95 . The user interface 95 includes an output device such as a display that displays information to the user, and input devices such as a keyboard and mouse that accept input operations from the user. Note that the input device and output device of the user interface 95 may not be configured separately, but may be configured integrally using a touch panel display.

Furthermore, the server computer 9 includes an input/output section 97. The input/output unit 97 communicates with each component mounting machine 2 and reads information recorded on the recording medium 12 and stores it in the storage unit 93. In particular, in this embodiment, the input/output unit 97 reads out the parts replenishment work support program 933 that is readably recorded on the recording medium 12 by the server computer 9 and stores it in the storage unit 93 . Examples of such a recording medium 12 include a USB (Universal Serial Bus) memory and the like. Further, the input/output unit 97 can store the parts supply work support program 933 downloaded from an external computer or the like in the storage unit 93.

FIG. 2 is a plan view schematically showing an example of a component mounting machine included in the board production system. The figure shows XYZ orthogonal coordinates consisting of a Z direction parallel to the vertical direction, and an X direction and a Y direction parallel to the horizontal direction. This component mounter 2 is equipped with a pair of conveyors 21, and mounts the component P on the board B carried by the conveyor 21 from the upstream side in the X direction (board conveyance direction) to the work position (the position of board B in FIG. 2). Then, the board B on which the component P is mounted (component-mounted board B) is carried out from the work position to the downstream side in the X direction by the conveyor 21.

The component mounter 2 is provided with a pair of Y-axis rails 221 extending in the Y direction, a Y-axis ball screw 222 extending in the Y-direction, and a Y-axis motor 223 that rotationally drives the Y-axis ball screw 222. It is fixed to a nut of a Y-axis ball screw 222 while being supported movably in the Y direction by a pair of Y-axis rails 221 . An X-axis ball screw 225 that extends in the X direction and an X-axis motor 226 that rotationally drives the X-axis ball screw 225 are attached to the X-axis rail 224, and the head unit 23 can move on the X-axis rail 224 in the X direction. It is fixed to the nut of the X-axis ball screw 225 while being supported by the X-axis ball screw 225. Therefore, the Y-axis motor 223 can rotate the Y-axis ball screw 222 to move the head unit 23 in the Y direction, or the X-axis motor 226 can rotate the X-axis ball screw 225 to move the head unit 23 in the X direction. can.

Two component supply units 24 are lined up in the X direction on each side of the pair of conveyors 21 in the Y direction, and a feeder mounting cart 25 is removably attached to each component supply unit 24. A plurality of tape feeders F arranged in the X direction are detachably attached to the feeder mounting cart 25. In other words, in each component supply section 24, a plurality of feeder set positions L(m) are lined up in the X direction, and the tape feeder F is removably attached to the feeder set position L(m). Further, a component supply reel R (FIG. 4) that holds the component supply tape TP attached to the tape feeder F is provided for each of the plurality of tape feeders F, and the feeder mounting cart 25 holds these component supply reels R. do. The component supply tape TP stores small pieces of components P such as integrated circuits, transistors, capacitors, etc. at predetermined intervals. Each tape feeder F supplies the components on the component supply tape TP to the component supply position 30 by intermittently feeding the component supply tape TP pulled out from the component supply reel R to the conveyor 21 side (component supply operation).

The head unit 23 has a plurality (four) of mounting heads 231 arranged in the X direction. Each mounting head 231 has an elongated shape extending in the Z direction (vertical direction), and can attract and hold the component P with a nozzle detachably attached to its lower end. That is, the mounting head 231 moves above the tape feeder F and picks up the component P supplied to the component supply position 30 by the tape feeder F. Subsequently, the mounting head 231 moves above the board B at the working position and releases the adsorption of the component P, thereby mounting the component P on the board B. In this way, the mounting head 231 performs component mounting in which the component P supplied to the component supply position 30 by the tape feeder F is taken out from the component supply tape TP and mounted on the board B.

Note that two types of tape feeders F (Fa, Fb) can be attached to the component mounter 2. Two component supply tapes TP can be attached to the tape feeder Fa at the same time, and a single component supply tape TP can be attached to the tape feeder Fb. For example, in the example shown in FIG. 2, the tape feeder Fa is attached to the two component supply sections 24 on the arrow side in the Y direction via the feeder mounting cart 25, and the tape feeder Fa is attached to the two component supply sections 24 on the opposite side of the arrow in the Y direction. A tape feeder Fb is attached to the portion 24 via a feeder attachment cart 25.

The content of the work performed by the operator to mount the component P on the tape feeder F differs between the tape feeder Fa and the tape feeder Fb. That is, the operator performs splicing work on the tape feeder Fb. Specifically, when the number (remaining number) of components P stored in a single component supply tape TP attached to the tape feeder Fb becomes less than or equal to a predetermined threshold, the user interface 95 of the server computer 9 prompts the operator to Notify remaining number warning. When the operator confirms the remaining number warning, the operator adds a new component supply tape to the component supply tape TP attached to the corresponding tape feeder Fb (that is, the component supply tape TP in which the number of stored components P has become less than the threshold value). Parts P are supplied to tape feeder Fb by performing splicing work to connect TP.

On the other hand, the operator performs a work different from the splicing work on the tape feeder Fa. Specifically, as will be explained next using FIGS. 3 and 4, the tape feeder Fa will be configured to operate when there are no components P stored in one of the two component supply tapes TP. , starts supplying the components P stored in the other component supply tape TP. Therefore, the operator replenishes the tape feeder Fa with the components P by removing one of the component supply tapes TP and attaching a new component supply tape TP to the tape feeder Fa.

FIG. 3 is a side view schematically showing an example of the configuration and operation of the tape feeder. In this figure and the following figures, the forward feed direction Df (parallel to the Y direction) in which the tape feeder Fa feeds out the carrier tape TP is appropriately shown, and the arrow side of the forward feed direction Df is referred to as "front" of the forward feed direction Df. The opposite side of the arrow in the forward feed direction Df is treated as the "back" of the forward feed direction Df. Furthermore, a reverse feed direction Db facing opposite to the forward feed direction Df is shown as appropriate. Further, in order to distinguish between the two carrier tapes TP that can be attached to the tape feeder Fa, different symbols TP1 and TP2 are used for the carrier tapes as appropriate in this figure and the following figures.

The tape feeder Fa includes a feeder main body 31 having a mechanical configuration, and feed motors Mf and Mb that drive the feeder main body 31. The feeder main body 31 has a flat case 32 that is thin in the X direction and long in the forward feed direction Df. At the rear end of the case 32 in the forward feed direction Df, a tape insertion port 33a (indicated by a broken line) extending in the Z direction opens, and a component supply position 30 is provided on the upper surface of the front of the case 32 in the forward feed direction Df. It is being Inside the feeder main body 31, a tape transport path 33b is provided that extends from the tape insertion port 33a to the component supply position 30. This feeder main body 31 feeds the carrier tape TP inserted into the tape conveyance path 33b from the tape insertion opening 33a in the forward feed direction Df by receiving the driving force of the feed motors Mf and Mb, so that the parts are delivered to the component supply position 30. Supply P.

Specifically, the feeder main body 31 connects a sprocket 34 disposed above the tape transport path 33b and adjacent to the tape insertion port 33a, and a gear 35 that transmits the driving force of the feed motor Mb to the sprocket 34 to the case 32. The sprocket 34 rotates in response to the driving force generated by the feed motor Mb. Furthermore, the feeder main body 31 has a tape support member 36 detachably attached to the case 32. This tape support member 36 faces the sprocket 34 from below and sandwiches the carrier tape TP between it and the sprocket 34, thereby engaging the carrier tape TP with the sprocket 34. As a result, the sprocket 34 rotates while engaging with the carrier tape TP, thereby allowing the carrier tape TP to be sent out in the forward feed direction Df. Furthermore, the feeder main body 31 has a sprocket 37 disposed at its front end portion adjacent to the tape transport path 33b from below, and a gear 38 for transmitting the driving force of the feed motor Mf to the sprocket 37, inside the case 32. Sprocket 37 rotates in response to driving force generated by feed motor Mf. Therefore, the sprocket 37 can intermittently transport the carrier tape TP in the forward feed direction Df by rotating intermittently while engaging with the carrier tape TP.

The feeder main body 31 also has a cutter that contacts the component supply tape TP on the upstream side of the component supply position 30 in the forward feed direction Df. This cutter cuts the cover tape of the component supply tape TP that is intermittently conveyed in the forward feed direction Df at the center and turns it over on both sides, thereby exposing the component P supplied to the component supply position 30. The configuration for exposing the component P in this way is similar to that described in, for example, Japanese Patent Application Publication No. 2015-053320.

Step S11 corresponds to a state where the tape feeder Fa is used for component mounting by the mounting head 231. That is, the carrier tape TP1 is inserted into the feeder main body 31 along the tape conveyance path 33b, and the sprocket 37 intermittently conveys the carrier tape TP1 in the forward feed direction Df, thereby allowing the components P to be mounted on the board B. is supplied to the component supply position 30. Further, in step S11, the leading end of carrier tape TP2, which is used for mounting components next to carrier tape TP1, is attached between sprocket 34 and tape support member 36. In this way, the carrier tape TP2 to be used next is waiting at the rear end portion of the feeder main body 31.

As shown in step S12, when the parts P in the carrier tape TP1 are used up and the tape feeder Fa discharges the carrier tape TP1 in the forward feed direction Df, loading shown in step S13 is executed. Specifically, the sprocket 34 starts rotating, feeds the carrier tape TP2 in the forward feed direction Df toward the component supply position 30, and engages the leading end of the carrier tape TP2 with the sprocket 37. Subsequently, in step S14, when the operator removes the tape support member 36 from the case 32, the carrier tape TP2 comes off the sprocket 34 and falls into the tape transport path 33b. Thereby, the sprocket 37 can intermittently transport the carrier tape TP2 in the forward feed direction Df, and can supply the components P in the carrier tape TP2 to the component supply position 30. Incidentally, after step S14, the operator attaches the tape support member 36 to the case 32 again, thereby placing the carrier tape TP to be used for component mounting next to the carrier tape TP2 between the sprocket 34 and the tape support member 36. It can be installed and placed on standby.

In the component mounting machine 1 using such a tape feeder Fa, the carrier tape TP in use is inserted into the feeder main body 31 along the tape transport path 33b, while the carrier tape TP to be used next is inserted into the feeder body 31 along the tape transport path 33b. Wait above road 33b. Then, by performing steps S12 to S14 every time the carrier tape TP is used up, the carrier tape TP that has been waiting is inserted into the feeder main body 31 along the tape transport path 33b (loading) and used next. I can do it.

FIG. 4 is a diagram schematically showing an example of a component supply reel and a reel holder that holds the reel. A reel holder 251 is provided on the feeder mounting cart 25 corresponding to each tape feeder F. In FIG. 4, the component supply reel R and the like are shown through the reel holder 251.

The reel holder 251 can hold the component supply reel R at each of a use position Hu and a standby position Hw behind the use position Hu in the forward feed direction Df. Then, the component supply tape TP of the component supply reel R held at the use position Hu is loaded onto the tape feeder Fa and used for component supply during component mounting, while the component supply tape TP of the component supply reel R held at the standby position Hw is loaded onto the tape feeder Fa and used for component supply during component mounting. A component supply tape TP is attached between the sprocket 34 and the tape support member 36 of the tape feeder Fa. In this way, two component supply tapes TP can be attached to one tape feeder Fa.

In this configuration, when the component P of the component supply tape TP of the component supply reel R placed at the use position Hu is used up among the two component supply tapes TPp mounted on the tape feeder Fa, the tape feeder Fa is placed at the standby position Hw when the component P of the component supply tape TP of the component supply reel R placed at the use position Hu is used up. The component supply tape TP of the component supply reel R thus prepared is loaded and used for component mounting. After the parts supply tape TP on one of the two parts supply reels R is used up, the operator can use the parts on another parts supply reel R taken out from the parts storage (not shown). The supply tape TP can be mounted on the tape feeder Fa and kept on standby. Specifically, the worker:
・Remove the component supply reel R with the cut part P from the use position Hu ・Move the component supply reel R used for component mounting from the standby position Hw to the use position Hu ・Move another component supply reel R to the standby position Hw By carrying out the procedure of placing the tip of the component supply tape TP pulled out from another component supply reel R between the sprocket 34 and the tape support member 36, the other component supply reel R is attached to the tape feeder Fa. Can be attached to. In this specification, the work of mounting the component supply tape TP pulled out from the component supply reel R disposed at the standby position Hw onto the tape feeder Fa is appropriately referred to as a "preset work".

Next, details of the parts replenishment work support executed by the server computer 9 according to the parts replenishment work support program 933 will be explained. In this component supply work support, the calculation unit 91 of the server computer 9 simulates the operation of the component mounting machine 2 to produce the component-mounted boards B according to the production plan 931.

FIG. 5 is a diagram showing an example of simulation parameters required for execution of simulation. In FIG. 5, the information (component information) required for the component P to be mounted on the tape feeder F in order to produce Bn(n) boards B with board types Bk(n) on which components are mounted is determined for each board type Bk(n). n). This component information shows feeder set position L(m), component IDPid(m), component name (Pa, Pb,..., etc.), required number of components Pn(m), and mounting cycle Pcy(m) in association with each other. (m=1, 2, 3, 4,...). Among the simulation parameters in FIG. 5, the board type Bk(n), the production number Bn(n), and the production order n are defined in the production plan 931, and the component information is defined in the board data 932. Therefore, the calculation unit 91 creates simulation parameters by integrating the production plan 931 and the board data 932.

The feeder set position L(m) is a position where the tape feeder F is attached, as described above. The component IDPid(m) is an identifier for identifying the component P stored in the component supply tape TP attached to the tape feeder F attached to the feeder set position L(m). The required number of parts Pn(m) is the number of parts P supplied by the tape feeder F at the feeder set position L(m) in order to produce Bn(n) boards B with board types Bk(n) on which components are mounted. shows. The mounting cycle Pcy(m) is the period during which the component P supplied by the tape feeder F at the feeder set position L(m) is mounted on the board B in order to produce a component-mounted board B of the board type Bk(n). Indicates the period. The value obtained by dividing the cycle time required to produce one component-mounted board B of board type Bk(n) by the required number of components Pn(m) corresponds to the mounting cycle Pcy(m). The suffixes with the same "m" written in parentheses correspond to each other. That is, in order to produce Bn(n) boards B with board types Bk(n) on which components are mounted, the tape feeder F installed at the feeder set position L(m) feeds the component P with the component IDPid(m). It is supplied at a mounting cycle Pcy (m).

The calculation unit 91 calculates the number of parts P in the parts supply tape TP attached to each tape feeder F that operates according to the production plan 931 (and board data 932) every time a predetermined time (for example, 1 second) elapses. Run a simulation. In other words, this simulation is a simulation of the number of remaining parts that calculates the change over time in the number of remaining parts P mounted on each tape feeder F. The simulation of the number of remaining parts is performed by subtracting the consumed number of parts P, which is obtained by multiplying a predetermined time by the mounting cycle Pcy (m), from the number of parts P each time a predetermined time elapses. Find the change in the remaining number over time (remaining number calculation). This remaining number calculation is executed for the tape feeder F at each feeder set position L(n).

FIG. 6 is a diagram illustrating an example of the calculation contents of the remaining number of parts simulation. In FIG. 6, the relationship between the cart ID 25(l) (l=1, 2, 3, 4) for identifying the feeder mounting cart 25 and each feeder set position L(m) of the feeder mounting cart 25 is shown. ing. Furthermore, the feeder set position L (m), feeder IDFid (m), reel ID (R11, R12, etc.), parts IDPid (m), total remaining number Prt (m), and warning remaining number Pre (m) are associated with each other. As in the case of FIG. 5, the same suffix "m" written in parentheses corresponds to each other.

Feeder IDFid(m) is an identifier for identifying tape feeder F. The reel ID (R11, R12, etc.) is an identifier that identifies the component supply reel R that holds the component supply tape TP that stores the component P of component IDPid (m). The total remaining number Prt(m) is the number of components P stored in the component supply tape TP attached to the tape feeder F attached to the feeder set position L(m). Regarding the tape feeder Fa to which two component supply tapes TP are attached, the total number of components P stored in the two component supply tapes TP is the total remaining number Prt (m), and a single component supply tape TP is Regarding the attached tape feeder Fb, the number of components P stored in a single component supply tape TP is the total remaining number Prt(m).

The remaining number of warnings Pre(m) gives the operator the timing to issue a remaining number warning. In other words, when the total remaining number Prt(m) of parts P mounted on the tape feeder F attached to the feeder set position L(m) becomes less than the warning remaining number Pre(m), a remaining number warning is sent to the operator. be done. For the tape feeder Fa to which two component supply tapes TP are attached, the total number of components P stored in one of the two component supply tapes TP becomes zero and the presetting operation becomes possible. The remaining number Prt(m), that is, the number of parts P stored on the other component supply tape TP, becomes the remaining warning number Pre(m). On the other hand, for the tape feeder Fa to which a single component supply tape TP is attached, the above threshold value is the number of remaining warnings Pre(m). In this way, the remaining number of warnings Pre(m) provides the timing to notify the operator of the execution of the presetting work on the tape feeder Fa or the splicing work on the tape feeder Fb.

The calculation unit 91 calculates the total remaining number Prt (m) in FIG. The time change in the remaining number Prt(m)) is determined. As a result, a parts shortage chart shown in FIG. 7 can be obtained.

FIG. 7 is a diagram showing an example of a parts out-of-stock chart showing the timing at which a parts-out error occurs. In the figure, the component outage timing Te (m, k) at which the component P of the component Pid (m) mounted on the tape feeder F attached to the feeder set position L (m) becomes zero is determined based on a simulation of the number of remaining components. The obtained results are shown, and the component P of component IDPid(m) becomes zero at the timing indicated by the circle. In the component remaining number simulation, a new component supply tape TP is attached to the corresponding tape feeder F at component outage timing Te (m, k) (k = 1, 2, 3, 4, ...). The calculation is performed on this premise. In other words, the component outage timing Te indicated by the component outage chart indicates the time when the component supply tape TP mounting operation (presetting operation or splicing operation) is required in order to avoid a component outage error. Furthermore, the calculation unit 91 calculates a time slot in which the operator can carry out the mounting work (a mounting work possible time slot) based on the results of the parts shortage chart obtained in FIG. 7 (FIG. 8).

Incidentally, in FIG. 7, the occurrence timing of the component out-of-product error is shown in correspondence with component Pid(m). However, it is also possible to obtain a chart showing the timing of occurrence of a component out-of-part error in correspondence with the feeder set position L(m) or the feeder IDFid(m). Even in this case, the control shown below can be executed in the same way.

FIG. 8 is a diagram illustrating an example of a time period in which mounting work is possible. In FIG. 8, the time period Tw in which mounting work is possible for the feeder IDFid (m) is shown. The end time of the installation work available time zone Tw is set to the above-mentioned component outage timing Te (m, k). On the other hand, the starting time Ts (m, k) of the time period Tw in which mounting work can be performed is immediately before the parts out timing Te (m, k), when the total number of parts P to be mounted on the feeder IDFid (m) reaches the warning remaining number Pre. (m) The timing is set to the following timing, that is, the timing at which the presetting work or the splicing work can be executed. In addition, in FIG. 8, the time slots Tw (m, k) in which each feeder IDFid (m, k) can be fitted are shown in descending order of start time Ts (m, k).

The calculation unit 91 predicts whether a component out-of-part error will occur when the component supply tape TP is installed under predetermined replenishment conditions, based on the calculation result of the installation work possible time period Tw shown in FIG. That is, the worker goes around the production line 11 of the board production system 1 at a predetermined replenishment cycle and performs the work of attaching the component supply tape TP to the tape feeder F of the component mounting machine 2 (component replenishment work). . Therefore, the parts replenishment work was carried out under replenishment conditions that were a combination of the cycle at which parts replenishment was performed (replenishment cycle) and the number of parts supply tapes TP that were used for installation in one part replenishment work (replenishment number). In this case, the arithmetic unit 91 executes suitability prediction to predict whether a parts out-of-stock error will occur.

FIG. 9 is a diagram showing an example of the execution result of suitability prediction. In Figure 9, the 〇 mark indicates that an out-of-parts error will not occur when parts are supplied under the applicable supply conditions, and the × mark indicates that an out-of-parts error will occur when parts are supplied under the applicable supply conditions. shows. In FIG. 9, the horizontal axis represents the replenishment cycle Cy (minutes), the vertical axis represents the replenishment number Q, and one square represents one replenishment condition (combination of the replenishment cycle Cy and the replenishment number Q). Then, in the suitability prediction, it is predicted whether or not a parts shortage error will occur when parts supply work is performed under each supply condition (Cy, Q). In particular, the calculation unit 91 performs suitability prediction for each of a plurality of replenishment conditions (Cy, Q) in which at least one of the replenishment period Cy and the number of replenishment Q is different, as shown in FIG.

In this suitability prediction, the calculation unit 91 determines whether a parts shortage error has occurred based on the standard work time required for each work performed in the parts supply work. Specifically, when the standard work time for collection and transportation work is Sa (seconds) and the standard work time for installation work is Sb (seconds), Q parts supply tapes TP are sequentially installed on the tape feeder F. The work is simulated, and it is determined whether the parts replenishment work for mounting Q parts supply tapes TP can be completed within the replenishment cycle Cy. Here, the standard work time Sa for the collection and transportation work is the time required to take out the component supply tape TP, which is the object of the component replenishment work, from the parts storage 41 to the transport trolley and transport the transport trolley to the component mounting machine 2. The standard work time Sb for the mounting operation is the time required for the mounting operation of one component supply tape TP. Note that details of this suitability prediction will be explained using FIG. 11.

If the parts replenishment work can be completed within the replenishment cycle Cy, it is determined that no parts shortage error will occur (marked with a circle). On the other hand, if the parts replenishment work cannot be completed within the replenishment cycle Cy, it is determined that a parts shortage error has occurred (marked with an x). In this way, it is predicted whether a component shortage error will occur for each of the plurality of supply conditions (Cy, Q).

In the example of FIG. 9, it is predicted that a component out-of-stock error will occur under all replenishment conditions (Cy, Q) in which the replenishment cycle Cy is 5 minutes or less. This is because the standard work time Sa for the cargo collection and transportation work is 5 minutes. Further, under the replenishment condition (Cy, Q) in which the number of replenishable parts Q is 21 or more, it is predicted that a parts-out error will occur in all cases. This is because the number Q of component supply tapes to be supplied exceeds the maximum number (20) of component supply tapes TP that can be mounted on the transport vehicle.

Based on the result of the suitability prediction shown in FIG. 9, the calculation unit 91 determines one replenishment condition for actually performing the parts supply work from among the plurality of supply conditions that are subject to the suitability prediction. At this time, the calculation unit 91 displays an operation screen on the display of the user interface 95, and determines the replenishment conditions according to the operator's input operation on the operation screen.

10A to 10D are diagrams showing examples of operation screens displayed on the display of the user interface. On the screen of FIG. 10A, the operator can input whether or not to have the calculation unit 91 automatically select the optimal replenishment condition (optimum condition) from among the plurality of replenishment conditions (Cy, Q). That is, when the operator performs an input operation to check the "automatic selection of optimal conditions" checkbox, the calculation unit 91 automatically selects the optimal conditions. Furthermore, during automatic selection, it is possible to select whether or not to set the time interval of the replenishment cycle Cy.

For example, if the operator performs an input operation to check the "Time interval for automatic selection" checkbox and selects a time interval of "5 minutes" from the pull-down menu, the calculation unit 91 Among the replenishment conditions (Cy, Q) in which the replenishment cycle Cy is a multiple of 5 minutes, where it is predicted that no parts shortage error will occur, the optimal selection conditions of the maximum replenishment cycle Cy and the maximum number of replenishment Q are satisfied. One replenishment condition (Cy, Q) is selected as the optimal condition. In the example of FIG. 9, the calculation unit 91 selects the replenishment condition in which the replenishment period Cy is 30 minutes (a multiple of 5 minutes) and the replenishment number Q is 20 (30 minutes, 20) as the optimal condition, and the result is The screen shown in FIG. 10B is displayed. In addition, if there is no replenishment condition (Cy, Q) that satisfies the conditions of maximum replenishment cycle Cy and maximum replenishment number Q, the one replenishment with the maximum replenishment cycle Cy, regardless of the replenishment number Q, Conditions (Cy, Q) may be selected as optimal conditions.

On the other hand, if the "OK" button is operated on the screen of FIG. 10A without setting the time interval of the replenishment cycle Cy during automatic selection, the replenishment conditions are predicted to be such that no component out-of-parts error will occur in the suitability prediction. Among (Cy, Q), one replenishment condition (Cy, Q) that satisfies the optimal selection conditions of maximum replenishment cycle Cy and maximum replenishment number Q is selected as the optimal condition. In the example of FIG. 9, the calculation unit 91 selects the replenishment condition in which the replenishment period Cy is 31 minutes and the number of replenishments Q is 20 (31 minutes, 20) as the optimal condition, and the screen of FIG. 10C showing the result. Display. In addition, if there is no replenishment condition (Cy, Q) that satisfies the conditions of maximum replenishment cycle Cy and maximum replenishment number Q, the one replenishment with the maximum replenishment cycle Cy, regardless of the replenishment number Q, Conditions (Cy, Q) may be selected as optimal conditions.

If the “time interval during automatic selection” checkbox is not checked, the calculation unit 91 displays the results of the suitability prediction for the plurality of replenishment conditions (Cy, Q) shown in FIG. 9 on the display of the user interface 95. indicate. The operator can then perform an input operation to select any one replenishment condition (Cy, Q) from among the plurality of replenishment conditions (Cy, Q). Then, the calculation unit 91 displays the details (replenishment cycle Cy and number of replenishment Q) of the replenishment condition (Cy, Q) selected by the operator through input operation.

At this time, the operator may select the replenishment conditions (Cy, Q) that are predicted to cause an out-of-parts error in the suitability prediction. In such a case, the calculation unit 91 displays the screen shown in FIG. 10D showing the occurrence of the out-of-parts error. This screen displays the details of the selected replenishment condition (Cy, Q), the date and time at which the out-of-parts error occurs, and the part ID.

FIG. 11 is a flowchart showing the contents executed by the calculation unit according to the parts supply work support program. The above-mentioned calculations are executed by the calculation unit 91 according to the parts supply work support program 933. This point will be explained in detail using FIG. 11.

In step S101, the calculation unit 91 executes a simulation of the number of remaining parts based on the production plan 931 and the board data 932, and calculates the time at which the out-of-parts error illustrated in FIG. 7 occurs. In step S102, the replenishment number Q and the replenishment cycle Cy are reset to initial values. As a result, the replenishment number Q is set to 1 and the replenishment cycle Cy is set to 1 minute. That is, the replenishment condition (1, 1) at the lower left of FIG. 9 is set.

In step S103, the component supply tapes TP to be loaded onto the tape feeder F are sorted in descending order of the occurrence time of the tape feeder F's component out error. Then, in step S104, the calculation unit 91 performs a simulation of loading the tape feeder F with the component supply tapes TP from the beginning to the supply number Q in the sorting order as target component supply tapes TP. In this simulation, after the standard work time Sa (seconds) for the collection and transportation work has elapsed, the work of attaching the target component supply tape TP is started. At this time, the component supply tapes TP are loaded onto the tape feeder F in order from the start time Ts of the loading workable time zone Tw that is earliest. Further, it is assumed that the work of attaching the component supply tape TP requires a standard work time Sb (seconds). Under such conditions, a simulation in which the target component supply tapes TP are loaded one by one is executed until the supply period Cy elapses.

When the time of the replenishment cycle Cy has elapsed in step S105, it is determined in step S106 whether or not the installation work of the target component supply tapes TP of the replenishment number Q has been completed. If the installation work has not been completed ("NO" in step S106), it is determined that a parts out-of-parts error will occur under the supply conditions (Cy, Q), and the suitability determination result is recorded as "x". (Step S107).

On the other hand, if the mounting work has been completed ("YES" in step S106), the component runs out at a tape feeder F that is different from the tape feeder F to which the Q target component supply tapes TP are mounted. It is determined whether an error has occurred (step S108). If a parts-out error has occurred ("YES" in step S108), the result of the suitability determination is recorded as "x" (step S107).

If an out-of-parts error has not occurred (“NO” in step S108), it is determined in step S109 whether the production plan 931 has been completed. If the production plan 931 is not completed ("NO" in step S109), the process returns to step S104. On the other hand, if the production plan 931 has been completed ("YES" in step S109), whether or not the occurrence of an out-of-parts error (x mark) is recorded under the current supply conditions (Cy, Q). is determined (step S110). If the occurrence of an out-of-parts error (x mark) is not recorded (“NO” in step S110), the result of the suitability determination is recorded as “◯” (step S111), and the process advances to step S112. On the other hand, if the occurrence of an out-of-parts error (x mark) is recorded ("YES" in step S110), the process directly advances to step S112.

In step S112, it is determined whether or not the number Q of replenishing rods in the replenishment condition (Cy, Q) exceeds the maximum workable number. This maximum workable number may be set, for example, to the maximum number of pieces that can be loaded on a transport vehicle, or may be set to a number according to an input operation to the user interface 95 by the operator. If the supply number Q is less than the maximum workable number ("NO" in step S112), the supply number Q of the supply condition (Cy, Q) is incremented by one (step S113), and then step Return to S103. In this way, steps S103 to S111 are repeated until "YES" is obtained in step S112.

If the supply number Q exceeds the maximum workable number ("YES" in step S112), it is determined whether the supply cycle Cy of the supply condition (Cy, Q) exceeds the maximum supply cycle ( Step S114). This maximum replenishment cycle is set to a cycle according to an input operation to the user interface 95 by the operator. If the replenishment cycle Cy is less than or equal to the maximum replenishment cycle, the replenishment cycle Cy of the replenishment conditions (Cy, Q) is incremented by a predetermined time (for example, 1 minute) (step S115), and then the process returns to step S103. In this way, steps S103 to S113 are repeated until "YES" is obtained in step S114.

If the replenishment cycle Cy exceeds the maximum replenishment cycle ("YES" in step S114), the flowchart of FIG. 11 ends. As a result, a suitability prediction result as illustrated in FIG. 9 is obtained.

In the embodiment described above, the replenishment cycle Cy, which is the cycle in which the operator performs the component replenishment work (presetting work/splicing work) to attach the component supply tape TP to the tape feeder F, and the target of the parts replenishment work When performing parts replenishment work under replenishment conditions (Cy, Q) including the number of parts P to be supplied (in other words, the number of parts supply tapes TP), the number of parts to be supplied (Cy, Q), a parts out error occurs. Appropriateness prediction is performed to predict whether or not this will occur based on the production plan 931 (steps S101 to S111). Therefore, based on the result of this suitability prediction, it can be determined whether the replenishment cycle Cy and the number of parts Q to be resupplied are appropriate for the parts replenishment work. In this way, it is possible to easily judge whether the replenishment period Cy and the number Q of parts replenishment for the parts replenishment work are appropriate, which can be used to improve work efficiency.

In addition, the calculation unit 91 calculates the state of the component mounting machine 2 (the number of components remaining in the tape feeder F) that operates according to the production plan 931 as a result of executing a simulation (remaining component number simulation) every time a predetermined time elapses. Execute suitability prediction based on With this configuration, suitability prediction can be performed in accordance with the state of the component mounter 2 that changes over time.

In addition, the calculation unit 91 calculates, by simulation, a parts-out timing Te (required work time) at which parts replenishment work is required in order to avoid a parts-out error (step S101). Then, the calculation unit 91 determines whether or not the parts replenishment work can be performed by the parts out-of-place timing Te by executing the parts replenishment work in the replenishment cycle Cy indicated by the replenishment conditions (Cy, Q). Prediction is performed (steps S103 to S111). With this configuration, it is possible to determine the component outage timing Te at which component replenishment work is required in accordance with the state of the component mounting machine that changes over time, and to accurately predict suitability.

In addition, the calculation unit 91 performs suitability prediction for each of a plurality of replenishment conditions (Cy, Q) with different combinations of replenishment period Cy and number of replenishment Q, so that , find the appropriate replenishment conditions (replenishment conditions (Cy, Q) marked with ◯) that will not cause out-of-parts errors (FIG. 9). In such a configuration, an appropriate replenishment condition (Cy, Q) is determined from among a plurality of replenishment conditions (Cy, Q). Therefore, by performing the parts replenishment work according to the appropriate replenishment conditions (Cy, Q), it is possible to effectively prevent the occurrence of parts shortage errors.

Further, the calculation unit 91 changes the replenishment cycle Cy within a range that does not exceed the maximum replenishment cycle (steps S114, S115), and changes the replenishment number Q within a range where the replenishment number Q does not exceed the maximum replenishment number. By doing so (steps S112 and S113), a plurality of replenishment conditions (Cy, Q) are generated. With this configuration, each of the replenishment period Cy and the number of replenishment Q can be kept within appropriate ranges.

Further, the calculation unit 91 calculates, from among the appropriate replenishment conditions (Cy, Q), an appropriate replenishment condition (Cy , Q). In this configuration, by setting the predetermined set time to, for example, 10 minutes, 20 minutes, or 30 minutes, the parts replenishment work can be performed at well-defined replenishment cycles Cy.

Further, the calculation unit 91 sets the time input by the operator to a predetermined set time (FIG. 10). With this configuration, it becomes possible for the operator to carry out parts replenishment work at a replenishment cycle Cy that is efficient for him/herself.

Further, a user interface 95 is provided to display information to the operator, and the calculation unit 91 causes the user interface 95 to display appropriate replenishment conditions (Cy, Q) (FIG. 10B). With such a configuration, the operator can easily confirm the appropriate replenishment conditions (Cy, Q) through the display on the user interface 95.

In addition, when a plurality of appropriate replenishment conditions (Cy, Q) exist, the calculation unit 91 calculates an appropriate replenishment condition (31 minutes) under which the replenishment cycle Cy is the longest among the plurality of appropriate replenishment conditions (Cy, Q). , 20) as the recommended replenishment condition, and display the recommended replenishment condition on the user interface 95 (FIG. 10C). With this configuration, it is possible to reduce the frequency of parts supply work and reduce the work burden on the operator.

Further, the calculation unit 91 causes the user interface 95 to display the plurality of replenishment conditions (Cy, Q) in association with the respective suitability prediction results (FIG. 9). With this configuration, the operator can easily check the suitability of each replenishment condition (Cy, Q) by viewing the display on the user interface 95.

The user interface 95 also accepts selection operations (input operations) by the operator. Then, the calculation unit 91 calculates that the result of predicting the suitability of the replenishment condition (Cy, Q) selected by the operator from among the plurality of replenishment conditions (Cy, Q) displayed on the user interface 95 indicates that an out-of-parts error has occurred. If this is the case, the occurrence status of the out-of-parts error is displayed on the user interface 95 (FIG. 10D). With this configuration, the user interface 95 can easily confirm the occurrence of a component out-of-product error when the component supply operation is executed under the selected supply conditions (Cy, Q).

In the above embodiment, the board production system 1 corresponds to an example of the "board production system" of the present invention, the recording medium 12 corresponds to an example of the "recording medium" of the present invention, and the component mounting machine 2 corresponds to an example of the "recording medium" of the present invention. The mounting head 231 corresponds to an example of the "component mounting machine" of the present invention, the mounting head 231 corresponds to an example of the "mounting head" of the present invention, and the server computer 9 corresponds to an example of the "component supply work support device" of the present invention. , the computing unit 91 corresponds to an example of the "computing unit" of the present invention, the storage unit 93 corresponds to an example of the "storage unit" of the present invention, and the production plan 931 corresponds to an example of the "production plan" of the present invention. However, the parts supply work support program 933 corresponds to an example of the "parts supply work support program" of the present invention, the user interface 95 corresponds to an example of the "user interface" of the present invention, and the board B corresponds to an example of the "board board" of the present invention. ”, the replenishment cycle Cy corresponds to an example of the “replenishment cycle” of the present invention, the number of replenishment Q corresponds to an example of the “number of replenishment” of the present invention, and the replenishment conditions (Cy, Q) correspond to an example of the “replenishment cycle” of the present invention. This corresponds to an example of the "supply condition" of the present invention, the tape feeder F corresponds to an example of the "feeder" of the present invention, the tape feeder Fa corresponds to an example of the "first type feeder" of the present invention, and the part P corresponds to an example of the "first type feeder" of the present invention. It corresponds to an example of the "component" of the present invention, the component supply tape TP corresponds to an example of the "component storage member" of the present invention, and the component outage timing Te corresponds to an example of the "required work time" of the present invention, The simulation of the number of remaining parts corresponds to an example of the "simulation" of the present invention, and the supply conditions (Cy, Q) marked with a circle in FIG. 9 correspond to an example of "appropriate supply conditions", and the "32 "minute" corresponds to an example of the "maximum replenishment cycle" of the present invention, and "20 pieces" in FIG. ) corresponds to an example of the "recommended replenishment condition" of the present invention, and the time shown in the pull-down menu on the operation screen of FIG. 10 corresponds to an example of the "set time" of the present invention.

Note that the present invention is not limited to the above-described embodiments, and various changes can be made to the above-described embodiments without departing from the spirit thereof. For example, in the mounting work (presetting work, splicing work) of the component supply tape TP in the above embodiment, it is assumed that a new component supply tape TP taken out from the component storage 41 is mounted on the tape feeder F. Therefore, for example, at multiple component outage timings Te (m, 1), Te (m, 2), Te (m, 3), etc. shown in FIG. 7, the component supply tape TP that stores the same number of components P is It is attached to tape feeder F.

On the other hand, there are cases where a used parts supply tape TP is installed. In such a case, the number of components P stored on the component supply tape TP mounted on the tape feeder F varies depending on the component shortage timing Te. Therefore, the occurrence time of the component outage timing Te calculated in step S101 of the flowchart in FIG. 11 becomes unusable after the component supply tape TP is attached in accordance with the component outage timing Te. Therefore, in such a case, the flowchart in FIG. 12 may be executed.

FIG. 12 is a flowchart showing a modification of the content executed by the calculation unit according to the parts supply work support program. The difference between FIG. 12 and FIG. 11 is the execution content in step S104 and the presence or absence of step S201.Here, we will mainly explain these different parts, and common parts will be explained with corresponding symbols. omitted.

In step S104 of the flowchart of FIG. 12, when loading a used parts supply tape TP, a simulation is performed on the condition that the number of parts P corresponding to the usage history of the parts supply tape TP is mounted on the tape feeder F. will be held. Then, on the premise of these conditions, a simulation of the number of remaining parts is executed based on the production plan 931 and the board data 932, and a parts outage timing Te is calculated (step S201).

In this way, in the example of FIG. 12, a simulation of the number of remaining parts is executed (step S201) every time the parts replenishment work (step S104) is performed, and the parts outage timing Te (work required time) is updated. With this configuration, even if there is a fluctuation in the number of parts to be supplied due to parts supply work, it is possible to accurately determine the parts outage timing Te and execute suitability prediction.

Further, in the above embodiment, as the component supply work, the work of mounting the component supply tape TP onto the tape feeder F (presetting work, splicing work) is performed. However, the work that can be performed as parts supply work is not limited to these. This point will be explained using FIG. 13.

FIG. 13 is a block diagram showing a modified example of a board production system that produces boards on which components are mounted. In the modification shown in FIG. 13, the board production system 1 includes a temporary shelf 43 arranged adjacent to each component mounter 2, and places the component P to be mounted on the component mounter 2 on the temporary shelf 43. You can leave it there. In this way, the temporary storage shelf 43 is provided at a position closer to the component mounting machine 2 than the component storage 41, and the operator can keep the components P waiting on the temporary storage shelf 43.

In particular, for the tape feeder Fb (second type feeder), it is preferable to place the component supply tape TP on the temporary storage shelf 43 prior to the splicing operation. As a result, when the remaining number warning is notified to the tape feeder Fb, the splicing operation can be performed on the component supply tape TP waiting on the temporary storage shelf 43, and the splicing operation can be performed easily and quickly. I can do it.

Therefore, the calculation unit 91 can support the parts replenishment work by performing the temporary storage work of taking out the component supply tape TP from the parts storage 41 and transporting it to the temporary storage shelf 43 as the parts replenishment work. In such a case, in step S104, a simulation is performed including the execution of the temporary placement work. Since the temporary storage work will be performed together with the transportation work, in this simulation, the standard work time for the temporary storage work is included in the standard work time Sa (seconds) for the collection and transportation work mentioned above, and is not set separately. It's okay. The execution timing of this temporary storage work is set earlier than the timing at which the remaining number warning is notified to the tape feeder F, which is the target of the splicing work. For example, the temporary placement work can be configured to be performed during the parts replenishment work before the parts replenishment work in which the splicing work is performed.

Further, in the parts supply work, work related to alternate parts supply may be performed. FIG. 14 is a diagram schematically showing the work in alternate supply. In FIG. 14, the tape feeder Fb with diagonal hatching is the tape feeder Fb that is currently supplying the component P. In step S21, tape feeders Fb are attached to five feeder set positions L(1) to L(5), and tape feeders Fb at feeder set positions L(2) and L(3) supply parts P. I do. Furthermore, component supply tapes TP for storing the same type of components P are attached to the tape feeders Fb at feeder set positions L(1) to L(4).

In step S22, the operator transports the tape feeder Fb for alternate supply from the parts storage 41 and attaches it to the feeder set positions L(6) and L(7). The component supply tape TP installed on the tape feeder Fb at these feeder set positions L(6) and L(7), and the component supply tape installed on the tape feeder Fb at the feeder set positions L(1) to L(4) TP stores parts P of the same type.

In step S23, the number of components P stored on the component supply tape TP attached to the tape feeder Fb at the feeder set positions L(2) and L(3) becomes zero. Along with this, the supply of the parts P by the tape feeder Fb at the feeder set positions L(2) and L(3) is completed, and the supply of the part P by the tape feeder Fb at the feeder set positions L(1) and L(4) is completed. supply begins.

In step S24, the operator removes the tape feeder Fb from the feeder set positions L(2), L(3), and removes the tape feeder Fb from the feeder set positions L(6), L(7). (3) Execute the task of replacing the tape feeder Fb. Furthermore, the operator transports the tape feeder Fb for alternate supply from the parts storage 41 and attaches it to the feeder set positions L(8) and L(9).

As a result, when the number of parts P stored in the component supply tape TP attached to the tape feeder Fb at the feeder set positions L(1), L(4) becomes zero, the number of parts P stored in the component supply tape TP attached to the tape feeder Fb at the feeder set positions L(2), L(4) becomes zero. The tape feeder Fb attached to the tape feeder Fb of 3) can start supplying parts. Additionally, the operator removes the tape feeder Fb from the feeder set positions L(1) and L(4), and removes the tape feeder Fb from the feeder set positions L(8) and L(9). ) can be used to replace the tape feeder Fb.

Therefore, the calculation unit 91 carries out an alternate installation work (step S22) in which the alternate tape feeder Fb is transported from the parts storage 41 and installed at the feeder set positions L(6) and L(7), and the tape feeder Fb is transferred to the feeder set position L(6), L(7). The parts replenishment work can be supported by performing the alternate replacement work of changing from the set positions L(6), L(7) to the feeder set positions L(2), L(3) as the parts replenishment work. In such a case, in step S104, a simulation is executed including the execution of the alternate installation work or the alternate replacement work. On this occasion. The simulation may be performed by setting standard work times for each of the alternate installation work and the alternate replacement work.

The execution timing of the alternate installation work is set after the remaining number warning is notified to the tape feeders Fb at the feeder set positions L(2) and L(3). In addition, the alternate replacement work is performed for the feeder set positions L(1) and L(4) that have started supplying parts P following the tape feeder Fb at the feeder set positions L(2) and L(3). Set before a number warning is issued.

In other words, in this modification, the tape feeder Fb attached to one feeder set position L(2) among the plurality of feeder set positions L(1), L(2), ... (feeder mounting portion) supplies parts. While the parts P are being supplied from the tape TP, a part supply tape TP that stores the same type of parts P as the part supply tape TP mounted on the tape feeder Fb at one feeder set position L (2) is mounted. The parts replenishment work includes an alternate installation work (feeder installation work) in which the tape feeder Fb is installed at another feeder set position L(6) different from one feeder set position L(2) (step S22).

Furthermore, after the component supply tape TP attached to the tape feeder Fb at the first feeder set position L(2) runs out of components P, the tape feeder Fb is removed from the first feeder set position L(2) and the other The parts supply work includes an alternate replacement work (feeder replacement work) in which the tape feeder Fb at the feeder set position L(6) is attached to one feeder set position L(2).

Furthermore, the manner in which the standard work time is set can be changed in various ways. For example, the standard work time for each work may be set to the average value of actual results obtained by measuring the time required for each work during board production. Alternatively, the standard work time may be set to a value input by the worker.

Further, in the embodiment described above, the standard working time for the splicing work and the presetting work are each set to Sb (seconds). However, these standard working hours may be set to different times.

Further, it is assumed that the production plan 931 is changed every day. Accordingly, the flowchart of FIG. 11 or FIG. 12 may be executed daily before the start of substrate production.

Furthermore, the type of feeder is not limited to a tape feeder, but may also be a stick feeder or a tray feeder.

1... Board production system 12... Recording medium 2... Component mounting machine 231... Mounting head 9... Server computer (component supply work support device)
91...Calculation unit 93...Storage unit 931...Production plan 933...Parts supply work support program 95...User interface B...Board Cy...Supply cycle Q...Number of supplies (number of supplies)
(Cy, Q)...The supply conditions correspond to an example of the "supply conditions" of the present invention,
F...Tape feeder (feeder)
Fa…Tape feeder (first type feeder)
P...Parts TP...Parts supply tape (parts storage member)
Te…parts out timing (required work time)

Claims (20)

The production method used in a board production system that produces boards on which components are mounted is operated according to a production plan by operating a component mounting machine that mounts components on a board with a mounting head while feeding components mounted on a feeder with the feeder. a memory unit that stores plans;
The parts replenishment work is carried out under replenishment conditions including a replenishment cycle, which is a cycle in which a worker performs parts replenishment work to mount parts on the feeder, and a replenishment number, which is the number of parts targeted for the parts replenishment work. Execute suitability prediction for predicting whether or not a parts-out error will occur in the board production system, in which the parts mounted on the feeder run out and the supply of parts by the feeder is interrupted when executing the above, based on the production plan. It is equipped with an arithmetic unit that performs
The calculation unit changes the replenishment cycle by changing the replenishment cycle within a range where the replenishment cycle does not exceed a maximum replenishment cycle, and changing the replenishment number within a range where the replenishment number does not exceed a maximum replenishment number. By generating a plurality of replenishment conditions with different combinations of the number of replenishment parts and executing the suitability prediction for each of the plurality of replenishment conditions, it is possible to select from among the plurality of replenishment conditions an appropriate one in which the out-of-parts error does not occur. A parts replenishment work support device that determines replenishment conditions . The component replenishment work support according to claim 1, wherein the calculation unit executes the suitability prediction based on a result of executing a simulation that calculates the state of the component mounter operating according to the production plan every time a predetermined time elapses. Device. The calculation unit calculates the required work time for the parts replenishment work by the simulation in order to avoid the parts shortage error, and executes the parts replenishment work in the replenishment cycle indicated by the replenishment condition. 3. The parts replenishment work support device according to claim 2, wherein the suitability prediction is executed by determining whether or not the parts replenishment work can be performed by the required work time. 4. The parts replenishment work support device according to claim 3, wherein in the simulation, the required work time is updated in accordance with the number of parts to be replenished by the parts replenishment work each time the parts replenishment work is executed. 5. The calculation unit selects, from among the appropriate replenishment conditions, the appropriate replenishment condition that satisfies the condition that the replenishment period is an integral multiple of a predetermined set time. Parts supply work support device. 6. The parts replenishment work support device according to claim 5 , wherein the calculation unit sets a time input by the operator to the predetermined set time. It also includes a user interface that displays information to the worker.
The parts replenishment work support device according to any one of claims 1 to 6, wherein the calculation unit displays the appropriate replenishment conditions on the user interface. The production method used in a board production system that produces boards on which components are mounted is operated according to a production plan by operating a component mounting machine that mounts components on a board with a mounting head while feeding components mounted on a feeder with the feeder. a memory unit that stores plans;
The parts replenishment work is carried out under replenishment conditions including a replenishment cycle, which is a cycle in which a worker performs parts replenishment work to mount parts on the feeder, and a replenishment number, which is the number of parts targeted for the parts replenishment work. Execute suitability prediction for predicting whether or not a parts-out error will occur in the board production system, in which the parts mounted on the feeder run out and the supply of parts by the feeder is interrupted when executing the above, based on the production plan. an arithmetic unit that performs
A user interface that displays information to workers and
Equipped with
The calculation unit executes the suitability prediction under each of the plurality of replenishment conditions in which the combinations of the replenishment period and the number of replenishment parts are different, so that the calculation unit selects a suitable one in which the out-of-parts error does not occur among the plurality of replenishment conditions. Replenishment conditions are determined, and if a plurality of appropriate replenishment conditions exist, the appropriate replenishment condition with the longest replenishment cycle is selected from among the plurality of appropriate replenishment conditions as the recommended replenishment condition, and the user interface A parts replenishment work support device that displays the recommended replenishment conditions . The parts replenishment work support device according to claim 7 or 8, wherein the calculation unit causes the user interface to display the plurality of replenishment conditions in association with the respective suitability prediction results. The production method used in a board production system that produces boards on which components are mounted is operated according to a production plan by operating a component mounting machine that mounts components on a board with a mounting head while feeding components mounted on a feeder with the feeder. a memory unit that stores plans;
The parts replenishment work is carried out under replenishment conditions including a replenishment cycle, which is a cycle in which a worker performs parts replenishment work to mount parts on the feeder, and a replenishment number, which is the number of parts targeted for the parts replenishment work. Execute suitability prediction for predicting whether or not a parts-out error will occur in the board production system, in which the parts mounted on the feeder run out and the supply of parts by the feeder is interrupted when executing the above, based on the production plan. an arithmetic unit that performs
A user interface that displays information to workers and
Equipped with
The calculation unit executes the suitability prediction under each of the plurality of replenishment conditions in which the combinations of the replenishment period and the number of replenishment parts are different, so that the calculation unit selects a suitable one in which the out-of-parts error does not occur among the plurality of replenishment conditions. determining replenishment conditions and displaying the appropriate replenishment conditions on the user interface;
The user interface accepts a selection operation by the worker,
When the result of the suitability prediction of the replenishment condition selected by the operator from among the plurality of replenishment conditions displayed on the user interface indicates the occurrence of the out-of-parts error, the calculation unit determines the out-of-parts error. A parts replenishment work support device that displays an occurrence situation on the user interface . In the component mounting machine, a plurality of the feeders are arranged to respectively supply components stored in mounted component storage members, and the components supplied by the feeders from the component storage members are mounted on the board by the mounting head. is,
The parts replenishment work support device according to any one of claims 1 to 10 , wherein the parts replenishment work is a work performed by the operator to mount the parts storage member on the feeder. The plurality of feeders include a first type feeder to which a plurality of the component storage members can be attached,
When there are no more parts to be stored in one of the plurality of component storage members, the first type feeder starts supplying components to be stored in another component storage member,
12. The parts replenishment work support according to claim 11 , wherein the parts replenishment work includes a preset work of mounting a new part storage member on the first type feeder when the parts stored in the one parts storage member run out. Device. The plurality of feeders include a second type feeder to which a single component storage member can be attached,
The component replenishment work includes taking out the component storage member scheduled to be mounted on the second type feeder from the component storage member storage and placing it on a temporary shelf that is placed closer to the component mounting machine than the storage. 13. The parts replenishment work support device according to claim 11 or 12, which includes a temporary storage work of transporting the parts. The component mounting machine is provided with a plurality of feeder attachment parts to which the feeders can be respectively attached, and the feeder supplies components from the component storage member while being attached to the feeder attachment parts,
The parts replenishment work is performed when the feeder attached to one of the plurality of feeder attachment parts is supplying parts from the parts storage member, and the feeder attached to one of the plurality of feeder attachment parts A claim comprising a feeder mounting operation in which the feeder, on which the component storage member is mounted, which stores the same type of components as the component storage member mounted on the feeder, is mounted on another feeder mounting portion different from the one feeder mounting portion. 14. The parts supply work support device according to any one of 11 to 13 . The parts replenishment work includes removing the feeder from the one feeder mounting part and replenishing it to the other feeder mounting part after the parts storage member attached to the feeder of the one feeder mounting part runs out of parts. The parts replenishment work support device according to claim 14 , including a feeder replacement work of attaching the feeder to the one feeder attachment part. The production method used in a board production system that produces boards on which components are mounted is operated according to a production plan by operating a component mounting machine that mounts components on a board with a mounting head while feeding components mounted on a feeder with the feeder. a process of obtaining a plan;
The parts replenishment work is carried out under replenishment conditions including a replenishment cycle, which is a cycle in which a worker performs parts replenishment work to mount parts on the feeder, and a replenishment number, which is the number of parts targeted for the parts replenishment work. calculates suitability prediction for predicting whether or not a parts-out error will occur in the board production system when the parts mounted on the feeder run out and parts supply by the feeder is interrupted when executing and a step executed by
The calculation unit changes the replenishment period so that the replenishment period does not exceed the maximum replenishment period, and changes the replenishment number within a range such that the replenishment number does not exceed the maximum replenishment number. By generating a plurality of replenishment conditions with different combinations of replenishment numbers and executing the suitability prediction for each of the replenishment conditions, appropriate replenishment without causing the out-of-parts error can be achieved among the plurality of replenishment conditions. A parts supply work support method that determines conditions . The production method used in a board production system that produces boards on which components are mounted is operated according to a production plan by operating a component mounting machine that mounts components on a board with a mounting head while feeding components mounted on a feeder with the feeder. a process of obtaining a plan;
The parts replenishment work is carried out under replenishment conditions including a replenishment cycle, which is a cycle in which a worker performs parts replenishment work to mount parts on the feeder, and a replenishment number, which is the number of parts targeted for the parts replenishment work. calculates suitability prediction for predicting whether or not a parts-out error will occur in the board production system when the parts mounted on the feeder run out and parts supply by the feeder is interrupted when executing a step carried out by ;
A process of displaying information to a worker using a user interface;
Equipped with
The arithmetic unit executes the appropriateness prediction under each of the plurality of replenishment conditions having different combinations of the replenishment period and the number of replenishment items, so that the calculation unit can select appropriate replenishment from among the plurality of replenishment conditions without causing the out-of-parts error. If a plurality of appropriate replenishment conditions exist, the appropriate replenishment condition with the longest replenishment cycle is selected as the recommended replenishment condition from among the plurality of appropriate replenishment conditions, and the appropriate replenishment condition is displayed in the user interface. A parts replenishment work support method that displays the recommended replenishment conditions . The production method used in a board production system that produces boards on which components are mounted is operated according to a production plan by operating a component mounting machine that mounts components on a board with a mounting head while feeding components mounted on a feeder with the feeder. a process of obtaining a plan;
The parts replenishment work is carried out under replenishment conditions including a replenishment cycle, which is a cycle in which a worker performs parts replenishment work to mount parts on the feeder, and a replenishment number, which is the number of parts targeted for the parts replenishment work. calculates suitability prediction for predicting whether or not a parts-out error will occur in the board production system when the parts mounted on the feeder run out and parts supply by the feeder is interrupted when executing a step carried out by ;
A process of displaying information to a worker using a user interface;
Equipped with
The arithmetic unit executes the appropriateness prediction under each of the plurality of replenishment conditions having different combinations of the replenishment period and the number of replenishment items, so that the calculation unit can select appropriate replenishment from among the plurality of replenishment conditions without causing the out-of-parts error. determining conditions and displaying the appropriate supply conditions on the user interface;
The user interface accepts a selection operation by the worker,
When the result of the suitability prediction of the replenishment condition selected by the operator from among the plurality of replenishment conditions displayed on the user interface indicates the occurrence of the out-of-parts error, the calculation unit determines the out-of-parts error. A parts replenishment work support method for displaying an occurrence situation on the user interface . A parts replenishment work support program that causes a computer to execute the parts replenishment work support method according to any one of claims 16 to 18. A recording medium that records the parts replenishment work support program according to claim 19 in a computer-readable manner.

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